<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>

<body>
    <style>
      #send-btn{
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100vh;
}

button {
  background: #5f55af;
  border: 0;
  border-radius: 5px;
  padding: 10px 30px 10px 20px;
  color: white;
  text-transform: uppercase;
  font-weight: bold;
}

button svg {
  display: inline-block;
  vertical-align: middle;
  padding-right: 5px;
}

button:hover svg {
  animation: fly 2s ease 1;
}

@keyframes fly {
  0% {
    transform: translateX(0%);
  }

  50% {
    transform: translateX(300%);
  }

  100% {
    transform: translateX(0);
  }
}

     
    </style>
   <div id="send-btn">
    <button>
    ewewe
      Send
    </button>
  </div>
</body>

</html>